Word.ws English Dictionary

MDD

MDD is the initialism of major depressive disorder.

Meaning of major depressive disorder

Noun

major depressive disorder (countable and uncountable, plural major depressive disorders)

  1. A mental disorder characterized by at least two weeks of pervasive low mood, low self-esteem, and loss of interest or pleasure in normally enjoyable activities.
    Synonyms:
    MDD

Forms of MDD

pluralMDDs

Questions about MDD

What is MDD the initialism of?
MDD is the initialism of major depressive disorder.

Words near MDD in the dictionary

  1. MDCPM
  2. MDCs
  3. MDCT
  4. MDCTA
  5. MDCTAs
  6. MDD
  7. MDDI
  8. MDDS
  9. MDE
  10. MDEA
  11. MDEQ

Source and license

Adapted from Wiktionary: MDD (page history and authors); major depressive disorder (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “MDD.” Word.ws, https://word.ws/mdd. Based on Wiktionary, CC BY-SA 4.0.